Second Paper: Comparison between Measured and Calculated Thicknesses of the Oil-Film Lubricating Piston Rings
- 1 June 1974
- journal article
- other
- Published by SAGE Publications in Proceedings of the Institution of Mechanical Engineers
- Vol. 188 (1) , 262-268
- https://doi.org/10.1243/pime_proc_1974_188_029_02
Abstract
An iterative method of solving the hydrodynamic equations of lubrication of a piston ring is described. Some results of the calculations are compared with the measured values of the oil-film thickness in an actual engine. It is shown that there are disagreements of up to a factor of 8 between the theoretical and measured values. Further experiments were carried out on a single ring in a motored rig and here it was shown that although the film thickness is considerably greater, it is still not in complete agreement with the theory.Keywords
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